Home / 750,688.13-1,123,207.11-526,486.20

Finding the Fourth Proportional to 750,688.13, 1,123,207.11 and 526,486.20

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Solution

The fourth proportional to 750,688.13, 1,123,207.11 and 526,486.20 is: 787,747.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,688.13 : 1,123,207.11 = 526,486.20 : x
  2. Step 2: Convert to fraction form
    750,688.13/1,123,207.11 = 526,486.20/x
  3. Step 3: Cross multiply
    750,688.13x = 1,123,207.11 × 526,486.20
  4. Step 4: Simplify right side
    750,688.13x = 591,353,043,156.88
  5. Step 5: Solve for x
    x = 591,353,043,156.88/750,688.13
  6. Step 6: Final answer
    x = 787,747.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.